shell:$ nslookup -timeout=2 -retry=1 'r8rubf-cdn-settings.appsflyersdk.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	r8rubf-cdn-settings.appsflyersdk.com
Address: 108.156.105.25
Name:	r8rubf-cdn-settings.appsflyersdk.com
Address: 108.156.105.99
Name:	r8rubf-cdn-settings.appsflyersdk.com
Address: 108.156.105.132
Name:	r8rubf-cdn-settings.appsflyersdk.com
Address: 108.156.105.4